Emerson MicroCEM manual 71

Model MicroCEM

Instruction Manual

748467-A January 2002

e. Calibration Log File Format	fields of the file, in order of occurrence.
	The log file size will be about 178 bytes
The log file contains data in a flat, AS-	per entry. 3 months of data logs will
CII, CSV file. The following are the	require about 16000 bytes (based on
	Calibration performed every 24 hours).

Name		Description	Example
Date/Time		Month-day-year Hours:Minutes:Seconds	3-7-2001 10:24:57
Zero Time		Time that Zero span started, Hours:Minutes:Seconds	10:25:30
Mid Time		Time That Mid span started, Hours:Minutes:Seconds	10:27:30
Span Time		Time that span started, Hours:Minutes:Seconds	10:28:30
Purge Time		Time that the final purge started,	10:30:30
		Hours:Minutes:Seconds
Finish Time		Time that the final purge finishes	10:31:00
O2	Measured Zero	Measured percent O2 for Zero phase of calibration	0.0
O2	Expected Zero	Expected percent O2 for Zero phase of calibration	0.0
O2	Zero Drift	Percent drift of O2 zero calibration	0.0
O2	Measured Mid Span	Measured percent O2 for Mid span phase of calibration	10.1
O2	Expected Mid Span	Expected percent O2 for Mid span phase of calibration	10.0
O2	Mid Drift	Percent drift of O2 mid calibration.	-0.4
O2	Measured Span	Measured percent O2 for Span phase of calibration	20.2
O2	Expected Span	Expected percent O2 for Span phase of calibration	20.3
O2	Span Drift	Percent drift of O2 span calibration	0.4
CO Measured Zero			1
CO Expected Zero			0
CO Zero Drift			0.3
CO Measured Mid Span			23
CO Expected Mid Span			24
CO Mid Span Drift			-0.3
CO Measured Span			45
CO Expected Span			45
CO Span Drift			0
NOx Measured Zero		Measured ppm NOx for zero phase of calibration	15
NOx Expected Zero		Expected ppm NOx for zero phase of calibration	15
NOx Zero Drift			0
NOx Measured Mid Span		Measured ppm NOx for mid span phase of calibration	30
NOx Expected Mid Span		Measured ppm NOx for mid span phase of calibration	30
NOx Mid Span Drift			0
NOx Measured span		Measured ppm NOx for span phase of calibration	59
NOx Expected span		Measured ppm NOx for span phase of calibration	59
NOx Span Drift			0

Table 3-8. Calibration Log File Format

Rosemount Analytical Inc. A Division of Emerson Process Management Operation 3-19